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Restore the option for relative touch mode

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This commit is contained in:
Cameron Gutman 2020-04-30 20:55:15 -07:00
commit 0c9d72a9a1
8 changed files with 261 additions and 17 deletions
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17
app/streaming/input/abstouch.cpp
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@ -27,23 +27,8 @@ Uint32 SdlInputHandler::longPressTimerCallback(Uint32, void*)
return 0;
}
void SdlInputHandler::handleTouchFingerEvent(SDL_TouchFingerEvent* event)
void SdlInputHandler::handleAbsoluteFingerEvent(SDL_TouchFingerEvent* event)
{
#if SDL_VERSION_ATLEAST(2, 0, 10)
if (SDL_GetTouchDeviceType(event->touchId) != SDL_TOUCH_DEVICE_DIRECT) {
// Ignore anything that isn't a touchscreen. We may get callbacks
// for trackpads, but we want to handle those in the mouse path.
return;
}
#elif defined(Q_OS_DARWIN)
// SDL2 sends touch events from trackpads by default on
// macOS. This totally screws our actual mouse handling,
// so we must explicitly ignore touch events on macOS
// until SDL 2.0.10 where we have SDL_GetTouchDeviceType()
// to tell them apart.
return;
#endif
// Observations on Windows 10: x and y appear to be relative to 0,0 of the window client area.
// Although SDL documentation states they are 0.0 - 1.0 float values, they can actually be higher
// or lower than those values as touch events continue for touches started within the client area that